Keywords: stereoscopic stereophotography stereophotographs historical usgs history geology mapping black and white blackandwhite bnw stereograph blackandwhite monochrome outdoor surreal black and white Zion National Park, Utah. Temple of Aeolus, Virgin River, west fork (north fork) in the Mukuntuweap Brank, Little Zion, upper part. U.S. Geographical and Geological Survey of the Rocky Mountain Region (Powell Survey). Stereoscopic view. Zion National Park, Utah. Temple of Aeolus, Virgin River, west fork (north fork) in the Mukuntuweap Brank, Little Zion, upper part. U.S. Geographical and Geological Survey of the Rocky Mountain Region (Powell Survey). Stereoscopic view. |